package com.demo.homework;

/**
 * @Author WaveHi
 * @Date 23/7/2021 下午 8:17
 * @Version 1.0
 * @Contact HJBWaveHi@163.com
 * @Description
 */
public class UpperCaseDemo {

    public static void main(String[] args) {

        char c1 = 'a';
        char upperChar = (char)(c1 - 32);
        System.out.println(upperChar);

    }

}
